First Question- I installed a second Fishfinder (Garmin 250) in my boat and
moved the first FF (Humminbird WideOne) to the casting deck. I positioned
the new transponder (200 KHz) next to and slightly above the first
transducer (unsure of the frequency of this transducer). The New FF works
great, and I get normal but sporadic operation of the original FF. Could
this be a problem with transducer frequencies, or transponder locations. I
did not change the location of the original transducer, but just installed
the new one again next to and slightly above the original.

Second Question- While installing the second FF (Garmin), I also installed a
GPS (Garmin GPS72) and connected the GPS to the FF. I also connected the GPS
power cable to the fuse block of the boat, which both FF'ders are connected.
Now, with power shut off to all electronics, the battery will slowly
discharge over the course of a few days or so. Could these new electronics
be draining the battery even when powered off, or could it just be time to
replace the battery? The battery never reads over 12.4 volts, even when
charging, and after a long day of fishing, the battery level will be down to
as low as 9 volts.

Any responses will be appreciated.


John C. French